---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37119 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 770 5172 4 2291 7171 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:57:be:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82044sec preferred_lft 82044sec inet6 fe80::f816:3eff:fe57:beef/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37119) 07/19/26 _x86_64_ (2 CPU) 04:37:40 LINUX RESTART (2 CPU) 04:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:00 1.75 0.28 1.45 0.02 32.21 75.17 0.77 05:00:00 1.51 0.01 1.48 0.03 1.11 18.71 871.49 05:10:00 1.16 0.00 1.16 0.00 0.00 14.05 0.00 05:20:00 13.93 0.01 1.36 12.56 0.16 17.17 109119.87 05:30:00 1.47 0.03 1.43 0.02 2.15 18.31 1088.89 05:40:00 1.15 0.00 1.15 0.00 0.00 13.91 0.00 05:50:00 30.00 2.93 23.10 3.97 230.03 3753.76 4025.76 Average: 7.28 0.46 4.45 2.37 37.95 558.72 16443.60 04:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:00 6235588 7514108 305860 3.76 30780 1453004 728828 7.94 459828 1205260 128 05:00:00 6262676 7542080 277788 3.42 30984 1453648 522732 5.69 457184 1205796 128 05:10:00 6269792 7549704 270148 3.32 31160 1453972 523140 5.70 457840 1206296 196 05:20:00 6263744 7544256 275484 3.39 31372 1454360 578364 6.30 463132 1206856 180 05:30:00 6252852 7534680 285076 3.51 31572 1455448 523452 5.70 458744 1207468 140 05:40:00 6252852 7535152 284596 3.50 31716 1455772 523452 5.70 458788 1207936 168 05:50:00 5326184 7371648 403876 4.97 90352 2122984 642088 6.99 632204 1887124 31044 Average: 6123384 7513090 300404 3.69 39705 1549884 577437 6.29 483960 1303819 4569 04:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 04:50:00 ens3 2.05 0.53 3.51 0.09 0.00 0.00 0.00 0.00 05:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:00 ens3 0.71 0.13 0.18 0.10 0.00 0.00 0.00 0.00 05:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:00 ens3 0.44 0.18 0.05 0.52 0.00 0.00 0.00 0.00 05:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:00 ens3 0.44 0.08 0.10 0.04 0.00 0.00 0.00 0.00 05:30:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 05:30:00 ens3 0.30 0.07 0.07 0.04 0.00 0.00 0.00 0.00 05:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:00 ens3 0.36 0.07 0.11 0.05 0.00 0.00 0.00 0.00 05:50:00 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 05:50:00 ens3 118.69 98.50 364.60 33.57 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.57 14.22 52.66 4.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37119) 07/19/26 _x86_64_ (2 CPU) 04:37:40 LINUX RESTART (2 CPU) 04:40:00 CPU %user %nice %system %iowait %steal %idle 04:50:00 all 0.43 0.00 0.10 0.02 0.04 99.41 04:50:00 0 0.32 0.00 0.09 0.02 0.04 99.53 04:50:00 1 0.53 0.00 0.12 0.02 0.04 99.28 05:00:00 all 0.30 0.00 0.17 0.04 0.03 99.46 05:00:00 0 0.46 0.00 0.14 0.01 0.03 99.37 05:00:00 1 0.15 0.00 0.21 0.07 0.04 99.54 05:10:00 all 0.28 0.00 0.07 0.01 0.03 99.61 05:10:00 0 0.48 0.00 0.05 0.01 0.02 99.44 05:10:00 1 0.08 0.00 0.09 0.02 0.04 99.78 05:20:00 all 0.27 0.00 0.09 0.04 0.02 99.58 05:20:00 0 0.07 0.00 0.10 0.06 0.03 99.74 05:20:00 1 0.47 0.00 0.07 0.03 0.02 99.42 05:30:00 all 0.31 0.00 0.18 0.01 0.02 99.48 05:30:00 0 0.11 0.00 0.19 0.01 0.03 99.66 05:30:00 1 0.52 0.00 0.17 0.01 0.02 99.29 05:40:00 all 0.25 0.00 0.07 0.01 0.02 99.65 05:40:00 0 0.15 0.00 0.07 0.00 0.03 99.75 05:40:00 1 0.36 0.00 0.06 0.01 0.02 99.55 05:50:00 all 22.93 0.00 2.47 0.67 0.09 73.84 05:50:00 0 20.47 0.00 2.32 0.66 0.09 76.45 05:50:00 1 25.38 0.00 2.62 0.68 0.09 71.23 Average: all 3.53 0.00 0.45 0.11 0.04 95.87 Average: 0 3.14 0.00 0.42 0.11 0.04 96.29 Average: 1 3.92 0.00 0.48 0.12 0.04 95.46